Excellent PLC
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Product Introduction
The GE Fanuc IC693TCM302 Temperature Control Module (TCM) integrates seamlessly into the Series 90‑30 PLC system, offering precision temperature monitoring and control across eight independent channels. With configurable thermocouple and RTD support, it reduces ladder logic complexity by offloading PID control directly to the module. Ideal for industrial furnace, oven, and process control environments, it combines high performance and reliable diagnostics in a single expansion slot.
Product Specifications
| Parameter | Specification |
|---|---|
| Thermocouple Inputs | 8 channels (J/K/L types) + 1 RTD compensation or external reference |
| Control Outputs | 8 solid-state drivers, 18–30 V DC, 100 mA load each |
| Resolution & Accuracy | 12 bit (~0.2 °C resolution), ±1 °C accuracy |
| PWM Period | Programmable 0.1–60 s, 0.1 % duty-step |
| Modes of Operation | Closed-loop (PID), or open-loop (manual duty cycle) |
| Common-mode Voltage | ±12 V |
| Diagnostics / LEDs | 12 LEDs: power, run, fault, short, plus eight per-channel indicators |
| Environmental | Operating: 0–55 °C Storage: –40–85 °C |
| Dimensions | 135 x 135 x 35mm |
| Weight | 0.24 kg |
| Lifecycle Status | Discontinued/obsolete; compatible with Logicmaster 90 v4.01+ |
| Replaced By | HKY E00003 as long-term equivalent |
Applications
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Multi-zone temperature control in industrial furnaces, ovens, injection-molding and plastic processing
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Tea/food drying, HVAC systems, lab/process equipment
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OEM machine builders needing compact design with built-in PID control
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Bakery, pharmaceutical, and thermal packaging environments
Key virtues include reduced CPU programming, real-time diagnostics, and flexible inputs (thermocouple / RTD), making it ideal where precision and reliability matter.
Advantages
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On‑board PID reduces host CPU workload and programming complexity
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Eight channels in one module saves space and cost
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Dual operation modes: closed-loop PID or manual control – suited for testing or override
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High resolution & accuracy: 12 bit, ~0.2 °C ensuring tight temperature regulation
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Robust diagnostics: open/reverse thermocouple, faults, shorts with LED feedback
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Electrical isolation: ±12 V common-mode ensures reliable measurements in noisy environments
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Modular fuse: field‑replaceable 2 A fuse improves serviceability
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Series 90‑30 compatibility with Logicmaster 90 provides easy integration
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Compact form factor fits standard baseplates, keeping cabinet space usage efficient
Frequently Asked Questions (FAQ)
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Q: Does the TCM support RTD inputs?
A: Yes – one RTD compensation channel is available per module. -
Q: What types of thermocouples can be used?
A: Supports J, K, L; Note: for higher ranges use the TCM303 variant. -
Q: How is PID tuning performed?
A: Configure PID parameters via Logicmaster; module supports autotuning and manual entry. -
Q: What if a thermocouple breaks or is wired incorrectly?
A: TCM auto-detects open circuits or reversed polarity and flags errors. -
Q: Can it handle solid-state relay drives?
A: Yes – provides 18–30 V DC outputs, 100 mA each. -
Q: What fuse is used, and how to replace it?
A: 2 A/125 V subminiature fuse. Replaceable via front bezel after powering down. -
Q: Is the module still available or replaced?
A: Discontinued; recommended long-term replacement is HKY E00003. -
Q: Can I use it with Series 90‑20 or 90‑Turbo CPUs?
A: No – only compatible with Series 90‑30 racks configured via Logicmaster 4.01+. -
Q: What operating/storage temperature ranges?
A: Operates at 0–55 °C; stores –40–85 °C. -
Q: What isolation and leakage specifications exist?
A: Offers ±12 V common-mode isolation; ≤0.1 mA off-state leakage.
Related Models & Recommendations
Same series / directly related:
| Model | Description |
|---|---|
| TCM303 | Extended-range thermocouple inputs (up to 750 °C J/L, 1050 °C K) |
| HKY E00003 | Drop-in replacement successor for the TCM302 |
| IC693TCM302A/B | Revisions A and B of TCM302; identical spec-wise |
| IC693MDL752 | High-density discrete I/O – often paired in multi-channel configurations |
| IC693CMM311 | Communications Control Module used alongside TCM in Series 90‑30 systems |
| IC693CHS398 | 5-slot expansion baseplate compatible with TCM modules |
Popular GE Fanuc Series 90‑30 Modules:
| Model | Function |
|---|---|
| IC693CPU331 | Embedded CPU with program and PID capabilities |
| IC693PCM311 | Programmable coprocessor for offloading math-intensive tasks |
| IC693MDL940 | 32-channel discrete I/O for high-density digital I/O needs |
| IC693ALG392 | Analog input module (mV/V/mA) often used with TCM for secondary sensors |
| IC693PWR322 | 24 V DC high-capacity power supply for TCM and SSR loads |
| IC693CNT310 | High-speed counter/timer module for precise pulse measurements |
